29727921096 has 24 divisors (see below), whose sum is σ = 80513119830. Its totient is φ = 9909307008.

The previous prime is 29727921053. The next prime is 29727921133. The reversal of 29727921096 is 69012972792.

It can be written as a sum of positive squares in only one way, i.e., 24770352996 + 4957568100 = 157386^2 + 70410^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206443825 + ... + 206443968.

Almost surely, 2^29727921096 is an apocalyptic number.

It is an amenable number.

29727921096 is an abundant number, since it is smaller than the sum of its proper divisors (50785198734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29727921096 is a wasteful number, since it uses less digits than its factorization.

29727921096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412887805 (or 412887798 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The spelling of 29727921096 in words is "twenty-nine billion, seven hundred twenty-seven million, nine hundred twenty-one thousand, ninety-six".